Finding the Fourth Proportional to 982,902,012.48, 1,474,358,530.35 and 327,851,240.44
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Solution
The fourth proportional to 982,902,012.48, 1,474,358,530.35 and 327,851,240.44 is: 491,778,699.09
Step by Step Solution
- Step 1: Write the proportion equation
982,902,012.48 : 1,474,358,530.35 = 327,851,240.44 : x - Step 2: Convert to fraction form
982,902,012.48/1,474,358,530.35 = 327,851,240.44/x - Step 3: Cross multiply
982,902,012.48x = 1,474,358,530.35 × 327,851,240.44 - Step 4: Simplify right side
982,902,012.48x = 483,370,273,028,542,848 - Step 5: Solve for x
x = 483,370,273,028,542,848/982,902,012.48 - Step 6: Final answer
x = 491,778,699.09
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.